CN210521826U

CN210521826U - Crystallizer with rotatable cooling pipe

Info

Publication number: CN210521826U
Application number: CN201921359472.0U
Authority: CN
Inventors: 杭明; 张鹏程
Original assignee: Myande Group Co Ltd
Current assignee: Myande Group Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-05-15
Anticipated expiration: 2029-08-21

Abstract

The utility model relates to a crystallizer with rotatable cooling pipes, wherein a cooling rotor is arranged in the inner cavity of a cylinder body, the cooling rotor comprises an upper ring and a lower ring, an upper water distributor is arranged at the upper part of a transmission shaft, the periphery of the upper water distributor is radially connected with a plurality of upper water outlet transverse pipes, and the outer ends of the upper water outlet transverse pipes are respectively fixed on the inner wall of the upper ring; an upper water outlet hollow shaft is arranged above the upper water distributor, and an upper rotary joint and a cooling water outlet are arranged at the top of the upper water outlet hollow shaft; the lower part of the transmission shaft is provided with a lower water distributor, the periphery of the lower water distributor is radially connected with a plurality of lower water inlet transverse pipes, and the outer end heads of the lower water inlet transverse pipes are respectively fixed on the inner wall of the lower ring; a lower water inlet hollow shaft is arranged below the lower water distributor and is provided with a lower rotary joint, and the bottom of the lower rotary joint is provided with a cooling water inlet; a plurality of cooling vertical pipes are respectively connected between the upper water outlet horizontal pipe and the lower water inlet horizontal pipe which correspond to each other in phase. The crystallizer integrates cooling and stirring, and realizes the largest cooling area with the same volume.

Description

Crystallizer with rotatable cooling pipe

Technical Field

The utility model relates to a crystallizer of rotatable cooling tube can be used to the cooling crystallization in the food course of working, belongs to cooling crystallization equipment technical field.

Background

The cooling crystallization is to separate out crystals by controlling the cooling speed and temperature and then filtering and separating the crystals by utilizing the difference of melting points of the components in the material or the difference of mutual dissolution at different temperatures.

The crystallizer structure commonly adopted at present is a cylindrical tank with a built-in fixed cooling pipe or cooling plate (also provided with an additional outer jacket) and a stirrer in the center, the cooling pipe or the outer jacket is arranged in the area close to the tank wall, and the cooling pipe cannot be arranged in the central area of the tank. The structure has the advantages that the cooling area is not uniformly distributed in space, the stirring intensity of the central area is high, the stirring intensity of the tank wall area is not enough due to the barrier of the cooling pipe or the cooling plate, the heat transfer effect is poor, the temperature gradient on the cross section is caused, the grain crystallization is not uniform, and the crystallization efficiency and the effect are influenced. The damage of the stirring fins to crystal grains, the influence on crystal growth and the difficulty in subsequent filtration and separation are improved by improving the stirring strength.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide a crystallizer of rotatable cooling tube, collect cooling, stirring in an organic whole, realized the biggest cooling area of same volume, can save the jacket outward.

In order to solve the technical problem, the utility model discloses a crystallizer of rotatable cooling tube, including the barrel, the barrel upper end is equipped with the top cap, be equipped with the oil inlet on the top cap, the barrel lower extreme is equipped with the bottom plate, be equipped with the oil-out on the bottom plate, be equipped with the transmission shaft along the axis of barrel, the barrel inner chamber is equipped with the cooling rotor, the cooling rotor includes upper ring circle and lower ring circle, and the upper portion of transmission shaft is equipped with the water distributor, and the periphery of upper water distributor is radial to be connected with many upper water outlet horizontal pipes, and the outer end of each upper water outlet horizontal pipe is fixed on the inner; an upper water outlet hollow shaft coaxial with the transmission shaft is arranged above the upper water distributor, an upper rotary joint is mounted at the top of the upper water outlet hollow shaft, and a cooling water outlet is formed in the top of the upper rotary joint; the lower part of the transmission shaft is provided with a lower water distributor, the periphery of the lower water distributor is radially connected with a plurality of lower water inlet transverse pipes, and the outer end heads of the lower water inlet transverse pipes are respectively fixed on the inner wall of the lower ring; a lower water inlet hollow shaft coaxial with the transmission shaft is arranged below the lower water distributor, a lower rotary joint is arranged at the lower part of the lower water inlet hollow shaft, and a cooling water inlet is formed in the bottom of the lower rotary joint; a plurality of cooling vertical pipes are respectively connected between the upper water outlet horizontal pipe and the lower water inlet horizontal pipe which correspond to each other in phase.

Compared with the prior art, the utility model discloses following beneficial effect has been obtained: cooling water enters from a cooling water inlet of the lower rotary joint, enters the lower water distributor through a central hole of the lower water inlet hollow shaft, enters each lower water inlet transverse pipe from the lower water distributor, enters each cooling vertical pipe upwards from each lower water inlet transverse pipe, converges from the upper end of each cooling vertical pipe, enters each upper water outlet transverse pipe, converges from each upper water outlet transverse pipe, enters the upper water distributor, enters the upper rotary joint along the central hole of the upper water outlet hollow shaft, and is finally discharged from a cooling water outlet of the upper rotary joint; the oil agent enters the inner cavity of the cylinder body from the oil inlet on the top cover, the transmission shaft drives the whole cooling rotor to rotate, the oil agent is cooled, and crystals are separated out and then discharged from the oil outlet on the bottom plate. The cooling vertical pipes are uniformly arranged along the diameter direction and the circumferential direction of the cylinder body, almost the whole cross section is covered, the blank of a central area is avoided, and the uneven crystal grains caused by a heat transfer blind area are avoided. The rotation of the cooling rotor plays a role in stirring disturbance, so that the requirement of integral heat transfer is met, the shearing minimization of the crystal is ensured, and the damage of the stirring wings to the crystal is avoided; meanwhile, the radial multi-circle tube bundle can realize more sufficient and uniform mixing and heat exchange; the rotation of the cooling vertical pipe has certain improvement effect on long-term attachment and adhesion of the crystal on the cooling wall surface.

As an improvement of the utility model, a plurality of upper rollers are arranged on the outer wall of the upper ring, each upper roller is respectively embedded in the upper ring rail and can roll along the upper ring rail, and the upper ring rail is fixedly connected on the upper part of the inner wall of the cylinder body; a plurality of lower rollers are installed on the outer wall of the lower ring, each lower roller is embedded in the lower ring rail respectively and can roll along the lower ring rail, and the lower ring rail is fixedly connected to the lower portion of the inner wall of the barrel. Each upper roller is embedded in the upper ring rail to roll, and each lower roller is embedded in the lower ring rail to roll, so that the cooling rotor can rotate very stably and flexibly, and the lower ring rail can also play a role in auxiliary supporting.

As a further improvement, the middle part of each cooling riser is fixed on corresponding spoke through the clamp respectively, and the outer end of each spoke is welded respectively at the inner wall of stabilizing the ring circle, and the inner end of each spoke is welded respectively on central staple bolt, and central staple bolt is fixed on the transmission shaft. The stabilizing ring is additionally arranged between the upper ring and the lower ring, and each cooling vertical pipe is fixed on the corresponding spoke, so that the strength of the cooling rotor can be improved, the cooling rotor is more stable in rotation, and the deformation of the cooling vertical pipes in rotation is prevented.

As a further improvement, the middle part of the lower water inlet hollow shaft is supported by the lower bearing seat below the bottom plate, the middle part of the upper water outlet hollow shaft is supported by the upper bearing seat on the top cover, the upper part of the upper water outlet hollow shaft is provided with a large chain wheel, the large chain wheel is connected with a small chain wheel through a chain in a transmission way, and the small chain wheel is arranged on an output shaft of the speed reducer. The speed reducer drives a large chain wheel to rotate through a small chain wheel and a chain, the large chain wheel drives a rotor shaft and a cooling rotor to rotate, an upper bearing seat and a lower bearing seat enable the rotor shaft to be supported and rotate flexibly, and a shaft seal is arranged above the lower bearing seat.

As a further improvement of the utility model, the bottom plate is the reverse cone shape with the center height being low all around, the lower side of the water distributor is provided with the stirring wings at the bottom of the copying extending along the bottom plate, and the roots of the stirring wings at the bottom of each copying are connected on the lower water inlet hollow shaft. The bottom stirring fin is only arranged above the bottom plate, so that the damage of the stirring fin to the crystal can be reduced, and the crystal can be prevented from being attached and bonded on the bottom plate for a long time.

As a further improvement of the utility model, the lower part of the barrel is provided with a barrel access door. The maintenance from the lower part of the cylinder body is convenient.

As a further improvement, the top cover is provided with a top cover access door. Is convenient for being overhauled from the top cover.

As a further improvement of the present invention, the upper ring and the lower ring are connected to each other by a plurality of vertical rods. The strength and rigidity of the cooled rotor can be improved.

Drawings

The invention will be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration purposes only and are not intended to limit the invention.

Fig. 1 is a front view of a crystallizer with rotatable cooling tubes according to the present invention.

FIG. 2 is an enlarged view of the upper half of the crystallizer of FIG. 1.

Fig. 3 is an enlarged view of the lower half of the crystallizer of fig. 1.

Fig. 4 is a cross-sectional view taken along a-a in fig. 1.

Fig. 5 is a perspective view of the cooling rotor of fig. 1.

In the figure: 1. a top cover; 1a, an oil inlet; 1b, a top cover access door; 2. a barrel; 2a, an upper ring rail; 2b, lower ring rail; 2c, a barrel access door; 3. a base plate; 3a, oil outlet; 4. a drive shaft; 4a, rotating the rotary joint; 4a1. cooling water outlet; 4b, discharging water from the hollow shaft; 4c, feeding a water distributor; 4d, discharging the water distributor; 4e, feeding water into the hollow shaft; 4f, stirring the bottom by using a stirring fin; 4g, a lower rotary joint; 4g1. cooling water inlet; 5. an upper water outlet horizontal pipe; 5a, an upper ring; 5b, an upper roller; 6. cooling the stand pipe; 7. a lower horizontal water inlet pipe; 7a, a lower ring; 7b, a lower roller; 8. a stabilizing loop; a spoke; 8b, a central hoop; 8c, clamping a hoop; 9. an upper bearing seat; 10. a large sprocket; 11. a small sprocket; 12. a speed reducer; 13. a lower bearing seat; 14. a vertical rod.

Detailed Description

As shown in fig. 1 to 5, the crystallizer of the rotatable cooling pipe of the present invention includes a cylinder 2, a top cap 1 is disposed at the upper end of the cylinder 2, an oil inlet 1a is disposed on the top cap 1, a bottom plate 3 is disposed at the lower end of the cylinder 2, an oil outlet 3a is disposed on the bottom plate 3, a transmission shaft 4 is disposed along the axis of the cylinder 2, a cooling rotor is disposed in the inner cavity of the cylinder, the cooling rotor includes an upper ring 5a and a lower ring 7a, an upper water distributor 4c is disposed at the upper portion of the transmission shaft 4, a plurality of upper water outlet horizontal pipes 5 are radially connected to the periphery of the upper water distributor 4c, and the outer ends of the upper water outlet horizontal; an upper water outlet hollow shaft 4b coaxial with the transmission shaft 4 is arranged above the upper water distributor 4c, an upper rotary joint 4a is mounted at the top of the upper water outlet hollow shaft 4b, and a cooling water outlet 4a1 is arranged at the top of the upper rotary joint 4a.

A lower water distributor 4d is arranged at the lower part of the transmission shaft 4, a plurality of lower water inlet transverse pipes 7 are radially connected to the periphery of the lower water distributor 4d, and the outer end heads of the lower water inlet transverse pipes 7 are respectively fixed on the inner wall of the lower ring 7 a; a lower water inlet hollow shaft 4e coaxial with the transmission shaft 4 is arranged below the lower water distributor 4d, a lower rotary joint 4g is arranged at the lower part of the lower water inlet hollow shaft 4e, and a cooling water inlet 4g1 is formed in the bottom of the lower rotary joint 4 g; a plurality of cooling vertical pipes 6 are respectively connected between the upper horizontal water outlet pipe 5 and the lower horizontal water inlet pipe 7 corresponding to the phases.

The upper ring 5a and the lower ring 7a are connected to each other by a plurality of vertical bars 14 to improve the strength and rigidity of the cooling rotor.

Cooling water enters from a cooling water inlet 4g1 of the lower rotary joint 4g, enters the lower water distributor 4d through a central hole of the lower water inlet hollow shaft 4e, enters each lower water inlet transverse pipe 7 from the lower water distributor 4d, enters each cooling vertical pipe 6 upwards from each lower water inlet transverse pipe 7, converges from the upper end of each cooling vertical pipe 6 to enter each upper water outlet transverse pipe 5, converges from each upper water outlet transverse pipe 5 to enter an upper water distributor 4c, enters the upper rotary joint 4a along the central hole of the upper water outlet hollow shaft 4b, and is finally discharged from a cooling water outlet 4a1 of the upper rotary joint 4 a; the oil agent enters the inner cavity of the cylinder body from the oil inlet 1a on the top cover 1, the transmission shaft 4 drives the whole cooling rotor to rotate, the oil agent is cooled, and crystals are discharged from the oil outlet 3a on the bottom plate 3 after being separated out.

The cooling vertical pipes 6 are uniformly arranged along the diameter direction and the circumferential direction of the barrel 2, almost the whole cross section is covered, the blank of the central area is avoided, and the uneven crystal grains caused by the heat transfer blind area are avoided. The rotation of the cooling rotor plays a role in stirring disturbance, so that the requirement of integral heat transfer is met, the shearing minimization of the crystal is ensured, and the damage of the stirring wings to the crystal is avoided; meanwhile, the radial multi-circle tube bundle can realize more sufficient and uniform mixing and heat exchange; the rotation of the cooling vertical pipe 6 has certain improvement effect on the long-term attachment and adhesion of the crystal on the cooling wall surface.

A plurality of upper rollers 5b are arranged on the outer wall of the upper ring 5a, each upper roller 5b is respectively embedded in the upper ring rail 2a and can roll along the upper ring rail 2a, and the upper ring rail 2a is fixedly connected to the upper part of the inner wall of the cylinder 2; a plurality of lower rollers 7b are mounted on the outer wall of the lower ring 7a, each lower roller 7b is embedded in the lower ring rail 2b and can roll along the lower ring rail 2b, and the lower ring rail 2b is fixedly connected to the lower portion of the inner wall of the barrel 2. Each upper roller 5b is embedded in the upper ring rail 2a to roll, and each lower roller 7b is embedded in the lower ring rail 2b to roll, so that the cooling rotor can rotate stably and flexibly, and the lower ring rail 2b can also play a role of auxiliary support.

The middle parts of the cooling vertical pipes 6 are respectively fixed on corresponding spokes 8a through hoops 8c, the outer ends of the spokes 8a are respectively welded on the inner wall of the stabilizing ring 8, the inner ends of the spokes 8a are respectively welded on a central hoop 8b, and the central hoop 8b is fixed on the transmission shaft 4. The stabilizing ring 8 is added between the upper ring 5a and the lower ring 7a, and each cooling vertical pipe 6 is fixed on the corresponding spoke 8a, so that the strength of the cooling rotor can be improved, the cooling rotor is more stable in rotation, and the cooling vertical pipes 6 are prevented from deforming in rotation.

The middle part of the lower water inlet hollow shaft 4e is supported below the bottom plate 3 through a lower bearing seat 13, the middle part of the upper water outlet hollow shaft 4b is supported on the top cover 1 through an upper bearing seat 9, a large chain wheel 10 is installed on the upper part of the upper water outlet hollow shaft 4b, the large chain wheel 10 is in transmission connection with a small chain wheel 11 through a chain, and the small chain wheel 11 is installed on an output shaft of a speed reducer 12. The reducer 12 drives the big chain wheel 10 to rotate through the small chain wheel 11 and the chain, the big chain wheel 10 drives the rotor shaft and the cooling rotor to rotate, the upper bearing seat 9 and the lower bearing seat 13 enable support and flexible rotation, and the shaft seal is arranged above the lower bearing seat 13.

The bottom plate 3 is in a reverse cone shape with high center and low periphery, bottom stirring fins 4f extending along the bottom plate 3 are arranged below the lower water distributor 4d, and the roots of the bottom stirring fins 4f are connected on the lower water inlet hollow shaft 4e. The bottom-lifting stirring fin 4f is only arranged above the bottom plate 3, so that the damage of the stirring fin to the crystal can be reduced, and the crystal can be prevented from being attached and bonded on the bottom plate 3 for a long time.

The lower part of barrel 2 is equipped with barrel access door 2c, is convenient for overhaul from the barrel lower part. Be equipped with top cap access door 1b on top cap 1, be convenient for overhaul from the top cap.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention may have other embodiments, for example, the up-down direction and the left-right direction may be interchanged. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention. The undescribed technical features of the present invention can be realized by or using the prior art, and are not described herein again.

Claims

1. The utility model provides a crystallizer of rotatable cooling tube, includes the barrel, is equipped with the top cap on the barrel, be equipped with the oil inlet on the top cap, the barrel lower extreme is equipped with the bottom plate, be equipped with the oil-out on the bottom plate, be equipped with transmission shaft, its characterized in that along the axis of barrel: a cooling rotor is arranged in the inner cavity of the cylinder body, the cooling rotor comprises an upper ring and a lower ring, an upper water distributor is arranged at the upper part of the transmission shaft, the periphery of the upper water distributor is radially connected with a plurality of upper water outlet transverse pipes, and the outer end of each upper water outlet transverse pipe is respectively fixed on the inner wall of the upper ring; an upper water outlet hollow shaft coaxial with the transmission shaft is arranged above the upper water distributor, an upper rotary joint is mounted at the top of the upper water outlet hollow shaft, and a cooling water outlet is formed in the top of the upper rotary joint; the lower part of the transmission shaft is provided with a lower water distributor, the periphery of the lower water distributor is radially connected with a plurality of lower water inlet transverse pipes, and the outer end heads of the lower water inlet transverse pipes are respectively fixed on the inner wall of the lower ring; a lower water inlet hollow shaft coaxial with the transmission shaft is arranged below the lower water distributor, a lower rotary joint is arranged at the lower part of the lower water inlet hollow shaft, and a cooling water inlet is formed in the bottom of the lower rotary joint; a plurality of cooling vertical pipes are respectively connected between the upper water outlet horizontal pipe and the lower water inlet horizontal pipe which correspond to each other in phase.

2. The rotatable cooling tube crystallizer of claim 1, wherein: a plurality of upper rollers are arranged on the outer wall of the upper ring, each upper roller is embedded in the upper ring rail and can roll along the upper ring rail, and the upper ring rail is fixedly connected to the upper part of the inner wall of the cylinder body; a plurality of lower rollers are installed on the outer wall of the lower ring, each lower roller is embedded in the lower ring rail respectively and can roll along the lower ring rail, and the lower ring rail is fixedly connected to the lower portion of the inner wall of the barrel.

3. The rotatable cooling tube crystallizer of claim 1, wherein: the middle parts of the cooling vertical pipes are fixed on corresponding spokes through clamps respectively, the outer ends of the spokes are welded on the inner wall of the stabilizing ring respectively, the inner ends of the spokes are welded on a central hoop respectively, and the central hoop is fixed on the transmission shaft.

4. The rotatable cooling tube crystallizer of claim 1, wherein: the middle part of the lower water inlet hollow shaft is supported below the bottom plate through a lower bearing seat, the middle part of the upper water outlet hollow shaft is supported on the top cover through an upper bearing seat, a large chain wheel is mounted on the upper part of the upper water outlet hollow shaft, the large chain wheel is in transmission connection with a small chain wheel through a chain, and the small chain wheel is mounted on an output shaft of the speed reducer.

5. The rotatable cooling tube crystallizer of any one of claims 1 to 4, wherein: the bottom plate is in a reverse cone shape with high center and low periphery, bottom stirring fins extending along the bottom plate are arranged below the lower water distributor, and the roots of the bottom stirring fins are connected to the lower water inlet hollow shaft.

6. The rotatable cooling tube crystallizer of any one of claims 1 to 4, wherein: and a barrel access door is arranged at the lower part of the barrel.

7. The rotatable cooling tube crystallizer of any one of claims 1 to 4, wherein: and a top cover access door is arranged on the top cover.

8. The rotatable cooling tube crystallizer of any one of claims 1 to 4, wherein: the upper ring and the lower ring are connected with each other through a plurality of vertical rods.